Watch: Searching for therapy dog lost in Scottish Highlands

A search is under way for Louie the golden retriever, who has been missing in the Scottish Highlands for two weeks.

The two-year-old therapy dog assists teenager Ellie Lynn, who has epilepsy.

Louie "slipped his lead" while on a walk with Ellie and her mum, Louise.

Ellie and her family have been camping out in the area, where locals and visiting walkers have been assisting in the search.

Read more: Urgent search for teenager's missing support dog

Video by Lorna Gordon, Morgan Spence and James Cheyne